YunFeng LINK vs AI PEN Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
YunFeng LINK
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Special Note: 1. The data collected by the smart watch is for reference only and cannot be used for any medical purposes. 2. Any data displayed on the APP is for reference only and cannot be used for any medical purpose. Features： 1. Establish connection and communication with the watch via Bluetooth. 2. The APP can manage the alarm clock on the watch. 3. The APP can read the sports statistics in the watch and display it to the user in a visual form; 4. The APP supports account registration, account login, password modification, account logout, and account cancellation.
AI PEN Pro
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The AI Pen App can wirelessly connect to a dedicated accessory via the phone's BLE or WiFi, then transfer the audio files stored on the accessory to the app's storage space on the phone. Afterward, it can use a natural language model to transcribe the audio into text and leverage the latest AI large language model to summarize the transcribed text, as well as generate a mind map.
Screenshots
Verdict
The clearest difference is iOS requirement: YunFeng LINK at 13.0 against AI PEN Pro's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
YunFeng LINK ships an update every 3 weeks, AI PEN Pro every 11 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | YunFeng LINK | AI PEN Pro |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Every 11 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 80 MB | 93 MB |
| Age rating | 4+ | 12+ |
| Developer | Zhongshan Xiangshan Automobile Rental Co., Ltd. | 伟才 韦 |
In-app purchases
YunFeng LINK
No in-app purchases
AI PEN Pro
No in-app purchases
